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$285+ Cheap flights from San Francisco (SFO) to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Buenos Aires are usually found in May or September, booked 6 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Buenos Aires

Cheapest flights from San Francisco to Buenos Aires
Explore the most affordable flight options available from San Francisco to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:21 amSFO - AEP
2 stops19h 19mLATAM Airlines
Tue 12/303:40 pmAEP - SFO
2 stops24h 51mLATAM Airlines
Deal found 12/17$1,235
This Priceline deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:20 pmSFO - EZE
2 stops21h 30mAvianca
Mon 1/124:55 pmEZE - SFO
2 stops35h 25mAvianca
Deal found 12/17$1,257
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amSFO - AEP
2 stops27h 00mLATAM Airlines
Tue 12/303:40 pmAEP - SFO
2 stops24h 51mLATAM Airlines
Deal found 12/17$1,278
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 amSFO - AEP
2 stops22h 45mLATAM Airlines
Mon 12/293:40 pmAEP - SFO
2 stops24h 51mLATAM Airlines
Deal found 12/17$1,433
This Travelocity deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:10 pmSFO - EZE
2 stops25h 40mMultiple Airlines
Mon 1/128:55 pmEZE - SFO
1 stop21h 00mMultiple Airlines
Deal found 12/17$1,449
This KAYAK deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:15 amSFO - EZE
1 stop18h 05mLATAM Airlines
Sat 12/202:25 amEZE - SFO
2 stops26h 32mLATAM Airlines
Deal found 12/16$1,466
This Faresmojo deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:20 pmSFO - EZE
2 stops21h 30mAvianca
Thu 2/54:55 pmEZE - SFO
2 stops24h 05mAvianca
Deal found 12/16$1,476
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:59 pmSFO - EZE
1 stop28h 21mUnited Airlines
Thu 2/510:05 pmEZE - SFO
1 stop23h 45mUnited Airlines
Deal found 12/17$1,557
This Gotogate deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:35 amSFO - AEP
2 stops23h 05mAvianca
Mon 1/127:00 amAEP - SFO
2 stops34h 00mAvianca
Deal found 12/17$1,572
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:02 amSFO - EZE
1 stop19h 18mUnited Airlines
Fri 1/3011:55 pmEZE - SFO
1 stop20h 01mUnited Airlines
Deal found 12/17$1,591
This KAYAK deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:00 amSFO - AEP
2 stops22h 45mLATAM Airlines
Thu 1/13:40 pmAEP - SFO
2 stops24h 51mLATAM Airlines
Deal found 12/16$1,620
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:00 amSFO - EZE
2 stops29h 43mMultiple Airlines
Wed 12/319:03 amEZE - SFO
1 stop19h 14mMultiple Airlines
Deal found 12/17$1,651

Find flight deals from San Francisco to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$918
(Avianca)

One-way from

$285
(Priceline)

Popular in

December

Cheapest in

May

Average price

$1,372
Provider with most accurate pricing for San Francisco-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Buenos Aires (BUE) flights.
Search Deals
From San Francisco to Buenos Aires (BUE)
Search Deals
One-way flight from San Francisco to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.

Fly from

San Francisco

Fly to

Buenos Aires

Route

Depart

Return

Price

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 3/1

12:54 am-4:10 am

1 stop22h 16m

Buenos Aires Ministro Pistarini

Wed 3/11

5:16 am-11:40 pm

1 stop22h 24m

$928

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 1/26

1:20 pm-12:35 am

2 stops30h 15m

Buenos Aires Ministro Pistarini

Thu 2/5

7:30 am-9:50 pm

2 stops19h 20m

$942

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 3/2

12:10 pm-5:00 pm

2 stops23h 50m

Buenos Aires Jorge Newbery

Wed 3/11

8:25 pm-12:07 pm

2 stops19h 42m

$946

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 1/26

8:25 am-9:40 am

2 stops20h 15m

Buenos Aires Jorge Newbery

Thu 2/5

12:40 pm-10:30 am

3 stops26h 50m

$946

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Wed 3/4

12:54 am-4:18 am

1 stop22h 24m

Buenos Aires Ministro Pistarini

Mon 3/9

3:47 am-11:40 pm

1 stop23h 53m

$948

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 1/25

12:42 am-10:34 pm

1 stop16h 52m

Buenos Aires Ministro Pistarini

Thu 2/5

9:16 am-11:20 pm

1 stop19h 04m

$968

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 3/2

11:10 pm-5:40 am

2 stops25h 30m

Buenos Aires Jorge Newbery

Wed 3/11

7:00 am-10:50 pm

2 stops19h 50m

$972

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 3/2

1:20 pm-4:20 am

3 stops34h 00m

Buenos Aires Jorge Newbery

Wed 3/11

5:15 am-1:00 pm

3 stops35h 45m

$984

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 3/16

1:54 am-10:58 pm

1 stop17h 04m

Buenos Aires Ministro Pistarini

Sat 3/28

5:16 am-11:40 pm

1 stop22h 24m

$991

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 2/2

11:10 pm-5:40 am

2 stops25h 30m

Buenos Aires Jorge Newbery

Tue 2/17

7:00 am-11:20 pm

2 stops21h 20m

$993

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 41 results
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Compare providers for flights from San Francisco to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Buenos Aires flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Francisco-Buenos Aires flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from San Francisco-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Buenos Aires flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Buenos Aires

How far ahead should I book a flight from San Francisco to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Buenos Aires. Price data was last updated on December 12, 2025.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Buenos Aires?

Currently, August is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $772). Flying from San Francisco to Buenos Aires in September is currently the most expensive (average of $1,025). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to BUE?

Find hourly flight availability from San Francisco to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from San Francisco to Buenos Aires in the afternoon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with Delta, Copa Airlines, and LATAM Airlines from San Francisco to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,556 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,893 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,093 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Buenos Aires?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Buenos Aires from San Francisco. Booking flights from San Francisco (SFO) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 7 different airlines.

  • How long is the flight from San Francisco to Buenos Aires?

    Copa Airlines, Avianca, and LATAM Airlines can get you from San Francisco to Buenos Aires in just under 22h 16m. Your travel time can differ by up to 7h 59m. There are 6459 mi between San Francisco and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Francisco to Buenos Aires round-trip?

    Flying on LATAM Airlines is currently your cheapest option to Buenos Aires, with prices starting at $717. Additional round-trip tickets that might be worth considering are offered by Avianca and Delta, with the lowest prices starting at $744 and $875, respectively. LATAM Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from San Francisco to Buenos Aires are Avianca ($328), Copa Airlines ($389), and American Airlines ($498).

  • What are the most popular routes from San Francisco to Buenos Aires?

    Most travelers choose San Francisco - Buenos Aires Ministro Pistarini, San Francisco - Buenos Aires Jorge Newbery or San Francisco - El Palomar when deciding on the best route from San Francisco to Buenos Aires.

  • Where are the most common layover locations when flying from San Francisco to Buenos Aires?

    Flights departing from San Francisco and landing in Buenos Aires layover in Houston most frequently.

  • What are some popular things to do or see while on a layover in Houston?

    Houston travelers tend to visit Space Center Houston, House of Blues Houston, and Revention Music Center more than anywhere else. Space Center Houston, House of Blues Houston, and Revention Music Center are located about 33.5 mi, 16.1 mi, and 15.5 mi, respectively from Houston George Bush Intcntl. Travelers can book a car rental at Houston George Bush Intcntl for about $37 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Francisco to Buenos Aires flights?

    Of the flights from San Francisco to Buenos Aires that have layovers, the fewest flights stop in Panama City.

  • Can I find deals for flights from San Francisco to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on San Francisco to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Buenos Aires.

  • Can I find deals for business class flights from San Francisco to Buenos Aires?

    Yes. Cheapflights offers flight deals from San Francisco to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Buenos Aires?

    Currently, August is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $772). Flying from San Francisco to Buenos Aires in September is currently the most expensive (average of $1,025). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Francisco to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Francisco to Buenos Aires

Discover the top 7 airlines that operate flights from San Francisco to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$717Average$1,030FlexibilityNo cancel feeOn-time81%
AviancaCheapest$744Average$982FlexibilityNo cancel feeOn-time71%
DeltaCheapest$875Average$1,295FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$973Average$1,180FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$973Average$1,256FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,041Average$1,320FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$1,119Average$1,318FlexibilityNo cancel feeOn-timeN/A

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